OpenTechnical

OT-2026-000083250

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, vented after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000083250) never changes.

Identity and time

Publication numberOT-2026-000083250 · never reused
Internal UUID01a0ae97-c963-72fb-aab7-e7aa4a4dac74 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083250
StatusPUBLIC

Content hashes

Canonical text90b84a969d52cc74bb4a96b203a5a628c45cf5444550bfb76b1391ea1fef8eb7
Markdown39bc0b2bea6e61c951affae7157c894ff846d9dc8da460ba9e7c1005ff88e415
PDF
Publication page8453e3e15e00c9286cdb96f011b222a9096a5a915f812e49715cfb03c0122fd5
Manifest869320e6f28d52cfdbea0858d4181cb424caf0df7223515c5dcdda218407517b

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturemLc4JziSvgfJmdGaIi0i9CfcQfYCxa52zFNLy86He9faGwQ1lQZbR1k6ZL4E6nXV97uCLv+m9hbwyDIBuV0sAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:01:14.924115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083250
observed 8453e3e15e00c9286cdb96f011b222a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:14.904941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083250/manifest.json
observed 869320e6f28d52cfdbea0858d4181cb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:14.882807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083250/publication.md
observed 39bc0b2bea6e61c951affae7157c894f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:14.862821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083250/publication.txt
observed 90b84a969d52cc74bb4a96b203a5a628...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.